1 files changed, 59 insertions, 0 deletions
diff --git a/build/get-version.sh b/build/get-version.sh
new file mode 100755
index 0000000..5e8ad88
--- /dev/null
+++ b/build/get-version.sh
@@ -0,0 +1,59 @@
+#!/bin/sh
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+#
+# extract version numbers from a header file
+#
+# USAGE: get-version.sh CMD VERSION_HEADER PREFIX
+#   where CMD is one of: all, major, libtool
+#   where PREFIX is the prefix to {MAJOR|MINOR|PATCH}_VERSION defines
+#
+#   get-version.sh all returns a dotted version number
+#   get-version.sh major returns just the major version number
+#   get-version.sh libtool returns a version "libtool -version-info" format
+#
+
+if test $# != 3; then
+  echo "USAGE: $0 CMD INCLUDEDIR PREFIX"
+  echo "  where CMD is one of: all, major"
+  exit 1
+fi
+
+major_sed="/#define.*$3_MAJORVERSION/s/^.*\([0-9][0-9]*\).*$/\1/p"
+minor_sed="/#define.*$3_MINORVERSION/s/^.*\([0-9][0-9]*\).*$/\1/p"
+patch_sed="/#define.*$3_PATCHLEVEL/s/^[^0-9]*\([0-9][0-9a-z-]*\).*$/\1/p"
+mmn_sed="/#define.*$3_MAJOR/s/^[^0-9]*\([0-9][0-9]*\).*$/\1/p"
+major="`sed -n $major_sed $2`"
+minor="`sed -n $minor_sed $2`"
+patch="`sed -n $patch_sed $2`"
+mmn="`sed -n $mmn_sed $2`"
+
+if test "$1" = "all"; then
+  echo ${major}.${minor}.${patch}
+elif test "$1" = "major"; then
+  echo ${major}
+elif test "$1" = "mmn"; then
+  echo ${mmn}
+elif test "$1" = "epoch"; then
+  printf "%02d%02d%03d" ${major} ${minor} ${patch}
+elif test "$1" = "libtool"; then
+  # Yes, ${minor}:${patch}:${minor} is correct due to libtool idiocy.
+  echo ${minor}:${patch}:${minor}
+else
+  echo "ERROR: unknown version CMD ($1)"
+  exit 1
+fi